In order to enable Item composition on billing window, the user will follow the below steps:

• A 'Control Room' window will appear.

• The user will select ‘Search in all’. Press Enter.

• A 'Controls' window will appear in which the user will Search “Item Composition”.

• Now click on ‘Accept’.

• An 'Item Composition' window will appear.

• In 'Show composition with Item List' option, the user will select 'Y'.

• The user will now press 'Esc' key twice.

• Now click on ‘Yes’ to save the changes.

After following the above steps, the user can view item composition while billing.